Lighting fixture



FIG. 1 is a front elevational view embodying my new design for a lighting fixture;

FIG. 2 is a side elevational view thereof, the opposite side being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a rear elevational view.

The broken lines are for illustrative purposes only and form no part of the design. 

I claim the ornamental design for a lighting fixture, as shown and described. 